Abstract
The current research aimed at adaptation and validation of the Verbal
Comprehension Index (VCI) subtests of WISC-IV (Wechsler, 2004) in
Pakistan. Study-I was concerned with the adaptation of VCI subtests.
Initially problems in the items of original VCI subtests regarding the
difficulty level and cultural relevance were identified. Then five items of
vocabulary and four items of information subtests were replaced.
Afterwards, item functioning and psychometric strength of the adapted
Verbal Comprehension Index (VCI-P) subtests was assessed. Study-II (n
= 801) was concerned with the establishment of reliability and validity
evidence for the VCI-P. The stability coefficients ranged from .79 to .98,
while alpha reliability coefficients ranged from .72 to .88. Structural
validity was established through inter-subtests correlations (ranging from
.63 to .78) and subtest-total correlations while factorial validation
resulted in existence of a single factor.
Saima Ambreen, Anila Kamal. (2011) Adaptation and Validation of the Verbal Comprehension Index (VCI) Subtests of WISC-IV UK in Pakistan, Journal of Behavioural Sciences, Volume 21, Issue 2.
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